LED Light Bulb (World's Best) - Part 2




Introduction: LED Light Bulb (World's Best) - Part 2

About: "May the good belong to all the people in the world. May the rulers go by the path of justice. May the best of men and their source always prove to be a blessing. May all the world rejoice in happiness. ...

Light bulb using 230V AC Mains, made using wire connector & no soldering ! (Instructions for 110VAC also hinted below.)

See this link for the earlier version and for step by step guide:


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Step 1: Components:

1) 6 or 9 leds - colour of your choice
2) 1k ohm, 1 watt resistor
3) capacitor - 0.22 uF, 400 volt for 230 V AC Mains or 0.47 uF, 250 volts for 110V AC Mains
4) Wire connector
5) Insulation Tape
6) Screw driver
7) 1N 4007 Diodes - four pieces to make a diode bridge

See the pic of the components.

Step 2: Assemble for the Final Results !!!

1. Connect 3 leds in series (plus of one to negative of the other led) so that you are left with one positive leg and one negative leg for this assembly.

2. make 3 such pairs, or two if you wish, so that you either have nine lights or six, as per the wish.

Note: It looks simple but ensure that there is no error in connecting.

3. Join the three sets of positive legs of these pairs to the wire connector. All 3 negatives go to the other side of the wire connector.

4. Now for the bottom portion of the wire connector:
- connect the diode bridge positive to the positive of the led & likewise for the negative.

Note: Be careful in properly assembling the diode bridge. (As per link provided in Components or Acknowledgments)

5. Connect the AC ends of the diode bridge to a resistor & capacitor. It doesnt matter, which side since it is AC part.

6. Connect the loose ends of the resistor & capacitor to the bulb base.

7. Done ! And all this WITHOUT SOLDERING ! ;-D

Step 3: Acknowledgments:

Acknowledgments to:




for their I'bles & ideas !

Dont forget to vote, rate, post pics & comment !


Step 4: Future Projects:

Ideas for you !

1. Light Sensor version
2. Motion Sensor version
3. Both Light & motion sensors
4. Solar Panel as light source

Tip 1:

U can use this simple wire connector concept even for ur 6V & 9V projects and avoid soldering (allergy)!
Now you can always make a project instead of just reading them!

Tip 2:

Why are these "world's best" ?? Coz i used a single capacitor and single resistor and you can put 200 leds on it if you want!
Funny how no one disclosed it to you earlier! ;-DD

Tip 3:

They last a lifetime. I am using mine (and few frndz too at their place) since few years with 8-12 hrs of use per day. Only 3 are in series. Then the triplets are in parallel. So only 3 will fuse out, if one LED goes bad. Out of the 3, isolate & find out which one is bad and simply replace!! Decades of good lighting!

Tip 4:

You can encase the project in a pet bottle to avoid moths, insects, lizards. (I have intentionally not done so to check if it shorts, but its working fine).

Step 5: My Other Videos:

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    13 Discussions


    3 years ago

    sir do u have a schematic diagram for this?


    Reply 3 years ago

    Some very nice LED schematics done in photoshop by member "dipankar"... please check his instructables...


    4 years ago

    Hello pandyaketan.. Please give my answer. I want to know that what happen if I use 0.47uF 400 volt cap instead of 250 volt.. Please explain.

    Thanx in advance..


    Reply 4 years ago

    Dear Subhankar,

    1. You will get more than 20 mA, required for each led, if you use 0.47 uF capacitor, instead of 0.22 (which provides 20 mA). Check the images for "ceramic capacitor amperage chart" from google to compare the different mA for different ceramic capacitors, for details.

    2. So you will require higher value resistor (greater than 1 kilo ohm used by me), to limit the extra current - which becomes heat and brings inefficiency to the circuit.

    3. Alternately, you will have to use more LEDs in different series and parallel combinations, to absorb safely, the higher current and voltages supplied by the 0.47 cap.




    Reply 4 years ago

    Thank you so much pandyaketan for your reply. Also thatnx for given details. actually I have tried so many time with 474 400 volt cap. and 10uf 50 volt cap. but the problem is the capacitor (10uf) become too much hot. I connected 15k ohm resistor from 10 uf cap to LED line. when I on the main then 15 k resistor burn immediately. I will try to draw the circuit. please help on that..



    Reply 4 years ago

    i would suggest you dont waste your time with caps and resistors that are not rated for AC mains. Change them, since they are all almost of the same price!

    Your resistor should be rated for at least 3 watts (even your 15kilo ohm) so that it does not burn.

    just raise your competence, to meet your aspirations and learn from other peoples' experiences. you will find that the above rated capacitors are required for simple and long lasting circuits.

    pl also see my other i'bles - for many types of LED projects.


    Reply 4 years ago

    Thanx again for your kind reply.. every time I tried to learn from other circuit design. like your project and Dipankar...etc. r u referring me some books or site.where from I learn in depth. that how its work and other components like resistor, capacitor, and some basic circuit design. actually my knowledge is not good about that. but I am very excited to learn in depth.



    I would like to make a led light for my room. Can you provide me with a circuit diagram. The way you described the circuit is bit of confusion for me. And also need to know the power consumption of this circuit? My mail id logicmania[at]gmail.com


    Reply 5 years ago on Introduction

    kindly check projects made by "Dipankar" on this website for some very nice circuit diagrams as well as pics. He is guiding light for all of us! ;-)



    5 years ago on Introduction

    can I use. 0.33uf 630v cap for 220v input?


    Your work is quite good but u need to focus on covering and branding the finished product. I guess this is just a concept one? Right?


    Reply 7 years ago on Introduction

    Haha tx! I guess 'some' people can never improve their presentation skills!